A sled and rider with a combined weight of 63 kg are at reston the top of a hill

Question

A sled and rider with a combined weight of 63 kg are at reston the top of a hill 11 m high. a. What is their total ebergy at the top of thehill?----J b. Assuming there is no friction, what would the total energybe on sliding halfway down the hill?---- j A sled and rider with a combined weight of 63 kg are at reston the top of a hill 11 m high. a. What is their total ebergy at the top of thehill?----J b. Assuming there is no friction, what would the total energybe on sliding halfway down the hill?---- j

Explanation / Answer

(a) E = mgh = 63 * 9.8 * 11 = 6791.4 J (b) E = 6791.4 / 2 = 3395.7 J

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